* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Microsoft YaHei", sans-serif;
  background-color: #f5f5f5;
  color: #333;
}

.header {
  background: white;
  padding: 1rem 2rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo img {
  width: 40px;
  height: 40px;
}

.section-title {
  text-align: center;
  font-size: 1.8rem;
  margin: 2rem 0 1rem;
  font-weight: bold;
}

.tabs {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.tab {
  cursor: pointer;
  font-size: 0.9rem;
  color: #666;
  transition: color 0.3s;
}

.tab.active {
  color: #00b400;
}

.playlist-grid,
.songlist-grid,
.mv-grid {
  display: grid;
  gap: 1rem;
  padding: 0 2rem;
}

.playlist-grid {
  grid-template-columns: repeat(5, 1fr);
  margin-bottom: 2rem;
}

.songlist-grid {
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 2rem;
}

.mv-grid {
  grid-template-columns: repeat(5, 1fr);
  margin-bottom: 2rem;
}

/* 歌单卡片 */
.playlist-card {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  transition: transform 0.3s;
}

.playlist-card:hover {
  transform: scale(1.02);
}

.playlist-card img {
  width: 100%;
  height: 150px;
  object-fit: cover;
}

.playlist-info {
  padding: 0.5rem;
  font-size: 0.9rem;
}

.playlist-info .title {
  font-weight: 500;
  margin-bottom: 0.2rem;
  line-height: 1.3;
}

.playlist-info .listen-num {
  color: #999;
  font-size: 0.8rem;
}

/* 歌曲卡片 */
.song-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem;
  background: white;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  transition: transform 0.3s;
}

.song-card:hover {
  transform: translateY(-2px);
}

.song-card img {
  width: 60px;
  height: 60px;
  border-radius: 4px;
}

.song-info {
  flex: 1;
}

.song-info .name {
  font-weight: 500;
  margin-bottom: 0.2rem;
}

.song-info .singer {
  color: #666;
  font-size: 0.8rem;
}

.song-duration {
  color: #999;
  font-size: 0.8rem;
}

/* MV 卡片 */
.mv-card {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  transition: transform 0.3s;
}

.mv-card:hover {
  transform: scale(1.02);
}

.mv-card img {
  width: 100%;
  height: 120px;
  object-fit: cover;
}

.mv-info {
  padding: 0.5rem;
  font-size: 0.85rem;
}

.mv-info .title {
  font-weight: 500;
  margin-bottom: 0.2rem;
  line-height: 1.3;
}

.mv-info .singer {
  color: #666;
}

.mv-info .listen-num {
  color: #999;
  font-size: 0.75rem;
}

.controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding: 0 2rem;
}

.play-all-btn {
  padding: 0.5rem 1rem;
  background: #00b400;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
}

.filters {
  display: flex;
  gap: 1rem;
}

.filter {
  cursor: pointer;
  font-size: 0.85rem;
  color: #666;
  transition: color 0.3s;
}

.filter.active {
  color: #00b400;
}